Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457495 | Apparatus for the automatic recovery of silver from argentiferous wash waters | Wilhelm Eder, Hans Hofmann, Joachim Kloeppel, Heinz Meckl | 1984-07-03 |
| 4407867 | Apparatus and a method for the completely automatic lacquering of strip-form materials | Herbert Bruck, Gunter H. Steinbuchel, Hans Hofmann, Franz Hoffacker | 1983-10-04 |
| 4276853 | Experimental plant for the coating and drying of material in the form of webs | Hans Gref, Hans-Jürgen Hofmann, Werner Zander | 1981-07-07 |